A mission to Uranus would require a 12-year journey time just to get the instrument from Earth to its destination. I like the point made early in the interview: (paraphrasing) “The graduate students who become involved in such a mission today will be its leaders by the time it begins its survey of the planet.” “Earth’s Hidden Hydrogen and a Trip to Uranus” (Science Magazine Weekly Podcast) https://www. science.org/content/podcast/ea rth-s-hidden-hydrogen-and-trip-uranus